The Transportable Pressure Vessels Regulations 2001

3.  These Regulations shall not apply to transportable pressure vessels— E+W+S

(a) where the maximum quantity per vessel (or, in the case of a gas, the maximum vessel volume) does not exceed that stated in column 3 of Schedule 3 to the CDGCPL Regulations for the appropriate classification of the goods it contains and provided that the total gross mass of any package containing such vessels does not exceed 30 kg;

(b) containing non-flammable, non-toxic gases the pressure of which in the vessel, referred to a temperature of 15°C, does not exceed 200 kPa (2 bar) and which are completely in the gaseous state during transport;

(c) containing gases of UN 1013 CARBON DIOXIDE or UN 1070 NITROUS OXIDE, in the gaseous state containing not more than 0.5% air, in metal capsules with not more than 25g of the gas and not more than 0.75g/cm3 of capacity of both gases;

(d) containing goods which are intended for use solely in connection with the operation of the vehicle in which those goods are being carried;

(e) containing—

(i) UN 1913 NEON, REFRIGERATED LIQUID,

(ii) UN 1951 ARGON, REFRIGERATED LIQUID,

(iii) UN 1963 HELIUM, REFRIGERATED LIQUID,

(iv) UN 1970 KRYPTON, REFRIGERATED LIQUID,

(v) UN 1977 NITROGEN, REFRIGERATED LIQUID,

(vi) UN 2187 CARBON DIOXIDE, REFRIGERATED LIQUID,

(vii) UN 2591 XENON, REFRIGERATED LIQUID,

(viii) UN 3136 TRIFLUOROMETHANE, REFRIGERATED LIQUID, or

(ix) UN 3158 GAS, REFRIGERATED LIQUID N.O.S.,

used for the cooling of medical or biological specimens provided they are contained in double-walled, vacuum-jacketed glass vessels surrounded by an absorbent insulating material, protected by iron wire baskets and placed in metal cases;

(f) transporting gases which are contained in foodstuffs or beverages;

(g) which are being carried by a vehicle not being used for, or in connection with, work;

(h) which are not named individually in the Approved Carriage List and which contain goods in their internal or operational equipment;

(i) which are being transported in an emergency with the intention of saving human life or protecting the environment, provided that all measures are taken to ensure that such transport is carried out safely;

(j) where those vessels or the vehicle transporting them have been damaged as a result of an accident, or where that vehicle has broken down, and the vessels are taken to a safe place for repair, cleaning or purging;

(k) transported in a vehicle which is being used to transfer those vessels—

(i) between private premises and another vehicle situated in the immediate vicinity of those premises, or

(ii) between one part of private premises and another part of those premises situated in the immediate vicinity of that first part where both parts are occupied by the same person, notwithstanding that those parts may be separated by a road;

(l) transported in a road construction vehicle engaged in the repair or construction of a road; and in this sub-paragraph—

(i) “road construction vehicle” means a vehicle constructed or adapted for the transport of built-in road construction machinery and not constructed or adapted for the transport of any other load, except articles and materials used for the purposes of that machinery,

(ii) “built-in road construction machinery” means road construction machinery built in as part of a road construction vehicle or permanently attached to it, and

(iii) “road construction machinery” means a machine or contrivance suitable for the repair and construction of roads.